Search results
Results from the WOW.Com Content Network
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
An outlet is defined by the NEC as "a point in the wiring system at which current is taken to utilization equipment". [1] This definition includes receptacles, lighting, motors, etc. Ordinary switches control but do not consume electricity, and therefore are not defined as outlets in this sense.
Power outages are categorized into three different phenomena, relating to the duration and effect of the outage: A transient fault is a loss of power typically caused by a fault on a power line, e.g. a short circuit or flashover. Power is automatically restored once the fault is cleared. A brownout is a drop in voltage in an electrical power ...
Air-break circuit breakers replaced oil-filled units for indoor applications, but are now themselves being replaced by vacuum circuit breakers (up to about 40.5 kV). Like the high-voltage circuit breakers described below, these are also operated by current-sensing protective relays operated through current transformers. The characteristics of ...
A massive winter storm knocked out utilities for hundreds of thousands of customers across the U.S., leaving many American households in the dark Monday.. More than 300,000 electric customers were ...
Get the latest news, politics, sports, and weather updates on AOL.com.
[1] [2] Utility companies have used aluminum wire for electrical transmission in power grids since around the late 1800s to the early 1900s. It has cost and weight advantages over copper wires. Aluminum in power transmission and distribution applications is still the preferred wire material today. [3]
No one was injured in the incident and the roadway was reopened after about four hours of cleanup, reported WGAL. This article originally appeared on USA TODAY: Video shows wood load flying from ...